최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0862415 (2015-09-23) |
등록번호 | US-10105139 (2018-10-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 2709 |
A surgical stapler. The surgical stapler includes a drive system, an electric motor, a battery and a control system. The electric motor is mechanically coupled to the drive system. The battery is electrically couplable to the electric motor. The control system is electrically connected to the electr
A surgical stapler. The surgical stapler includes a drive system, an electric motor, a battery and a control system. The electric motor is mechanically coupled to the drive system. The battery is electrically couplable to the electric motor. The control system is electrically connected to the electric motor and includes an H-bridge circuit and an electrically resistive element. The H-bridge circuit includes a high side and a low side. The low side of the H-bridge circuit includes a plurality of switching devices. The electrically resistive element is electrically connected in parallel with one of the plurality of switching devices. The control system is configured to control a force applied to the drive system based on a current measured downstream of the electrically resistive element.
1. A surgical stapler, comprising: a drive system;an electric motor mechanically coupled to the drive system;a battery electrically couplable to the electric motor; anda control system electrically connected to the electric motor, wherein the control system comprises: an H-bridge circuit comprising
1. A surgical stapler, comprising: a drive system;an electric motor mechanically coupled to the drive system;a battery electrically couplable to the electric motor; anda control system electrically connected to the electric motor, wherein the control system comprises: an H-bridge circuit comprising a high side and a low side, wherein the low side of the H-bridge circuit comprises a plurality of switching devices; andan electrically resistive element electrically connected in parallel with one of the switching devices, wherein the control system is configured to control a force applied to the drive system based on a current measured downstream of the electrically resistive element. 2. The surgical stapler of claim 1, wherein: the low side of the H-bridge circuit further comprises first and second legs; andthe electrically resistive element is electrically connected to one of the first and second legs of the H-bridge circuit. 3. The surgical stapler of claim 1, wherein the plurality of switching devices comprises first and second switching devices. 4. The surgical stapler of claim 1, wherein the control system further comprises a current sensor configured to measure the current. 5. The surgical stapler of claim 1, wherein the control system further comprises a second electrically resistive element electrically connected in parallel with another one of the switching devices. 6. The surgical stapler of claim 5, wherein: the plurality of switching devices comprises first and second switching devices;the electrically resistive element is connected in parallel with the first switching device; andthe second electrically resistive element is connected in parallel with the second switching device. 7. The surgical stapler of claim 5, wherein the control system is further configured to control a second force applied to the drive system based on a second current measured downstream of the second electrically resistive element. 8. The surgical stapler of claim 7, wherein the control system further comprises a current sensor configured to measure the second current. 9. The surgical stapler of claim 7, wherein the control system further comprises: a first current sensor configured to measure the current; anda second current sensor configured to measure the second current. 10. A surgical stapler, comprising: a drive system;an electric motor mechanically coupled to the drive system;a battery electrically couplable to the electric motor; anda control system electrically connected to the electric motor, the control system comprising: an H-bridge circuit comprising a high side and a low side, wherein the low side of the H-bridge circuit comprises a plurality of switching devices;a first electrically resistive element electrically connected in parallel with one of the switching devices; anda second electrically resistive element connected in parallel with another one of the switching devices, wherein the control system is configured to: control a first force applied to the drive system based on a first current measured downstream of the first electrically resistive element; andcontrol a second force applied to the drive system based on a second current measured downstream of the second electrically resistive element. 11. The surgical stapler of claim 10, wherein: the low side of the H-bridge circuit further comprises first and second legs;the first electrically resistive element is electrically connected to the first leg of the H-bridge circuit; andthe second electrically resistive element is electrically connected to the second leg of the H-bridge circuit. 12. The surgical stapler of claim 10, wherein the plurality of switching devices comprises first and second switching devices. 13. The surgical stapler of claim 12, wherein: the first electrically resistive element is electrically connected in parallel with the first switching device; andthe second electrically resistive element is electrically connected in parallel with the second switching device. 14. The surgical stapler of claim 10, wherein the control system further comprises: a first current sensor configured to measure the first current; anda second current sensor configured to measure the second current. 15. A surgical stapler, comprising: a drive system;an electric motor mechanically coupled to the drive system;a battery electrically couplable to the electric motor; anda control system electrically connected to the electric motor, the control system comprising: an H-bridge circuit comprising a high side and a low side, wherein the low side of the H-bridge circuit comprises a plurality of switching devices; andan electrically resistive element electrically connected in parallel with one of the switching devices, wherein the control system is configured to control a force applied to the drive system based on a current flowing through the electrically resistive element. 16. The surgical stapler of claim 15, wherein the control system further comprises a second electrically resistive element electrically connected in parallel with another one of the switching devices, and wherein the control system is further configured to control a second force applied to the drive system based on a second current measured downstream of the second electrically resistive element. 17. A surgical stapler, comprising: a drive system;an electric motor mechanically coupled to the drive system;a battery electrically couplable to the electric motor; anda control system electrically connected to the electric motor, the control system comprising: an H-bridge circuit comprising a high side and a low side, wherein the low side of the H-bridge circuit comprises a plurality of switching devices; andan electrically resistive element electrically connected across the plurality of switching devices, wherein the control system is configured to control a force applied to the drive system based on a current measured downstream of the electrically resistive element. 18. The surgical stapler of claim 17, wherein: the low side of the H-bridge circuit further comprises first and second legs; andthe electrically resistive element is electrically connected across the first and second legs of the H-bridge circuit. 19. The surgical stapler of claim 17, wherein the plurality of switching devices comprises first and second switching devices. 20. The surgical stapler of claim 17, wherein the control system further comprises a current sensor configured to measure the current.
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